Finding the Fourth Proportional to 2,557,013.94, 3,528,763.92 and 1,395,523.62
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Solution
The fourth proportional to 2,557,013.94, 3,528,763.92 and 1,395,523.62 is: 1,925,868.81
Step by Step Solution
- Step 1: Write the proportion equation
2,557,013.94 : 3,528,763.92 = 1,395,523.62 : x - Step 2: Convert to fraction form
2,557,013.94/3,528,763.92 = 1,395,523.62/x - Step 3: Cross multiply
2,557,013.94x = 3,528,763.92 × 1,395,523.62 - Step 4: Simplify right side
2,557,013.94x = 4,924,473,399,763.79 - Step 5: Solve for x
x = 4,924,473,399,763.79/2,557,013.94 - Step 6: Final answer
x = 1,925,868.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.